gate_init.c

来自「操作系统试验！通过这个试验」· C语言 代码 · 共 39 行

/*
 * gate_init.c
 * Modified for use in 15-410 at CMU
 * Zachary Anderson(zra)
 */

/*
 * Copyright (c) 1994-1995, 1998 University of Utah and the Flux Group.
 * All rights reserved.
 * 
 * This file is part of the Flux OSKit.  The OSKit is free software, also known
 * as "open source;" you can redistribute it and/or modify it under the terms
 * of the GNU General Public License (GPL), version 2, as published by the Free
 * Software Foundation (FSF).  To explore alternate licensing terms, contact
 * the University of Utah at [e-mail] or [phone].
 * 
 * The OSKit is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE.  See the GPL for more details.  You should have
 * received a copy of the GPL along with the OSKit; see the file COPYING.  If
 * not, write to the FSF, 59 Temple Place #330, Boston, MA 02111-1307, USA.
 */

#include <x86/seg.h>
#include <x86/gate_init.h>

void gate_init(struct x86_gate *dest, const struct gate_init_entry *src,
	       unsigned entry_cs)
{
	/* Initialize the trap/interrupt vectors from the idt_inittab.  */
	while (src->entrypoint)
	{
		fill_gate(&dest[src->vector], src->entrypoint,
			      entry_cs, src->type, 0);
		src++;
	}
}